Radio receiving apparatus



Desz. 21, 1926.

. A. P. MCARTHUR RADIO RECEIVING APPARATUS Filed Jan. 4, 1926 2Sheets-Shee?. l Y

:EIS-

ATTRNEY' Patented Dec. 2l, 1926.

UNITED STATES ALEXANDER P. llICARTtIU-L, 0F BGG-OTA., llll'il LTERSEY.

RADIO RECEIVING AEEATUS.

Application filed January il, 1923.

My invention relates broadly to radio receiving apparatus and moreparticularly to the construction oi a broadcast receiver tor operationin the home in the reception ot' radio news, music7 lectures, concertsand other entertainment.

One ot the objects ot my invention is to provide a Construction ot radioreceiver in which the receiving apparatus is mounted upon a panel whichhas all connections established thereon and with which externalconnections may be established to the power supply by means oit quickdetachable connectors positioned interiorly ot the cabinet structurewhich houses the receiving apparatus5 the connectors being arranged tocooperate with contact members carried by the panel on which theapparatus is mounted.

Another obi ect ot my invention is to provide a construction oit radioreceiving` apparatus in which the apparatus may be readily removedtrointhe cabin-et for the replace ment ot electron tubes or the repair ot thecircuits or inspection thereof without disturbing' electrical connectionto the antenna, ground or radio Pireuiency energy collectingr circuit,or connections to the battery supply system for the lilament and platecircuits of the receiver.

Still another object ot my invention is to provide a construction ofcabinet for hous ing radio receivingy apparatus in which the interiorside Walls ot the cabinet are provided With contact terminals tor theuripping' of Contact blades which extend from the interior of a panel onwhich the receiving apparatus is mounted.

Still another object oit my invention is to provide a cabinetconstruction 'for a radio receiver wherein a panel carrying' all ot thereceiving apparatus may be readily inserted or removed Jfrom the cabinetsimultaneously With the completion or disconnection ot electricalcircuits with power equipment or other circuits established Within thecabinet to atford a means for ready access to the receiving apparatus.

A further object ot my invention is to provide apanel construction tor aradio receivino` apparatus in Wiich the tuning and amplificationapparatus is mounted on the rear of a panel and contact members extendedtrem the sides of the panel tor establishing connection Withcorresponding contacts when the panel is inserted into a cabinetconstruction tions with other circ A A.. still further object provide aconstruction i paratus which is ot electron tubes position in suchelectrodes ot the tubes are in such position that there is no tendency.Die n i and short circuit With the gril electrode in each ot the tubeswhich is einen the case in receivino' apparatus oit constructionsheretoifore avai ible.

My invention will be more clearly understood trom the speciiicationhereinafter iolloiving by reference to the accompanying;` drawings, inwhich: l'

Figure l is a longitucinal cross-sectional ieiv through a radio receivershovfi f' panel and cabinet construction or vention Where the panel hasneen inserted in the cabinet and Where the panel is in a posi ionremoved trom the cabinet tor the inspection, repair or shipment ot thereceiving; apparatus; Fig'. 2 is a perspective view sho ing the paneland cabinet constructionwhere the panel has been inverted to disclosemore clearly the contact blades which cooperate with contact memberspositioned on the interior walls ot the cabinet; Fig. 3 is a trae;-ment-ary view oi one portion the interior Walls of the cabinet 'showingthe arrangement ot the depending contact on the operating;` panel andthe eorrespondi Contact on the interior Wall of the receiving appa--ratus; Fig. l is a cross-sectional view through the contact mechanism ottaken on line l 4t ci 3; and 5 is a perspective view illustrating theelements which 'maire up the contact mechanism for the panel andcabinet.

Referring; to the drawings in 1ore detailj reference character ldesignates the panel on which the radio receiving;` apparatus ismounted. Reference character designates the rear ot the cabinetstructure in which a power equipment is housed having' end portions 3and il With sides 5 and The side G of the cabinet is hingedly ounted andforms a closure With the lon idinally ei:- tending portion i6 ot thecirK ready access to the inside oi when the hinogedly mounted sideportion 6 is opened outwadly as represented the perspective vienY inlilounted around conne@ the cabinet. invention is to completing at aptedi' a vertice-.lh7 d Wnivai a n anner that the filament or the mountinlltl be understood that inodiiications may be made and that nolimitations upon the invention are intended other than those iinposed bythe sco 3e et the a p pcnded claims.

That I claim and desire to secure by ters Patent oit the United Statesj' lows:

l. Radio receiving apparatus comprising` in combination. a panelstructure, a caliiinet structure in which said panel structure isarranged to be mounted, receivingl apparatus carried by said panelstructure, electrical connections from said receiving apparatusterminating' in contact members at the periphery of the outer edge otsaid panel, contact members carried by said cabin-et structure inpositions corresponding` to the poci tions ot the contact memberscarried by said panel whereby when said panel is mounted in said cabinetsaid Contact members on said anel enoaofe said Contact members on saidcabinet for establishing electrical connections therewith.

2. Radio receiving apparatus comprising in combination a cabinetstructure for housing batteries, a panel structure for carrying; radioreceivingV apparatus "luding electron tubes thereon, a plurality otcontacts mounted adjacent the periphery ot' said panel structure andconnected with said radio receiving apparat-us on said panel structure,a plurality of corresponding contacts mounted on the interior walls etsaid cabinet structure and connected with said batteries, said panelstructure being arranged to be mov l into or removed from said cabinetstructure tor the engagement of said contacts on said panel structurewith the contacts within said cabinet structure for completing orbreakingthe electrical connections between said receiving apparatus andsaid batteries when said receiving apparatus is removed from saidcabinet structure.

3. Radio receiving apparatus comprising in combination a panelstructure, radio receiving apparatus' carried by said panel structure, acabinet structure, a plurality of electrical contact members positionedaround the interior walls oin said cabinet structure, said contactmembers each hai/'ing a pair of opposed faces and said panel structurehaving a plurality ci depending contact members thereon correspondinglypositioned to said iirst mentioned contact members for establishingelectrical connection between power equipment within said cabinetstructure and said receiving apparatus carried by said panel structure.

4i. Radio receiving apparatus comprising in combination a panelstructure, radio receiving apparatus carried by said panel structure, acabinet structure, a plurality of strip members positioned around theinterior walls ot said cabinet structure, said strip members eachcomprising a pair of adjacent strips, one of said adjacent strips beingarranged in resilient engagement with the ther of said adjacent strips,said panel structure having a set ot contact members comprising`angularly disposed strip devices depending downwardly from said panelstructure and arranged to enter between said aforementioned strips, withsaid resilient strip tending to force the tace ot each ot said contactmembers intol engagement with the other ot said aforementioned adjacentstrips 'tor establishing` electrical connection between power equipmentwithin said cabinet structure and the receivingl apparatus carried bysaid panel struct-ure.

ln testimony whereof I aftix my signature.

ALEXANDER P. MCARTHUR.

